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Finding the Fourth Proportional to 37,015.47, 51,082.58 and 20,248.47

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Solution

The fourth proportional to 37,015.47, 51,082.58 and 20,248.47 is: 27,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015.47 : 51,082.58 = 20,248.47 : x
  2. Step 2: Convert to fraction form
    37,015.47/51,082.58 = 20,248.47/x
  3. Step 3: Cross multiply
    37,015.47x = 51,082.58 × 20,248.47
  4. Step 4: Simplify right side
    37,015.47x = 1,034,344,088.65
  5. Step 5: Solve for x
    x = 1,034,344,088.65/37,015.47
  6. Step 6: Final answer
    x = 27,943.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.